目的：分析不同年龄的下颌骨正中受力时，下颌骨三维有限元分布的差异。
Objective: To analyse the difference of the stress distribution during mandible to be forced at the midline.
与其他数值软件一样，用三维离散元程序(3dec)模拟应力波在节理岩体中的传播和衰减时，模型参数对模拟结果有很重要的影响。
Model parameters have the important effects on three-dimensional distinct element code (3dec) modeling of the stress wave propagation and attenuation in jointed rock masses as well as other codes.
将轿车三枢轴式等速万向节的三维模型经过结构简化离散成有限元模型，并应用ANSYS软件对其承受极限转矩时的内部接触应力进行有限元分析。
A finite element(FE) model for a tripot universal joint is developed, and a FE analysis on the contact stresses in the parts of the joint under extreme torque is conducted using ANSYS software.
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